[ 1247.441008][ T9700] br1: port 1(veth1) entered blocking state
[ 1247.441451][ T9700] br1: port 1(veth1) entered disabled state
[ 1247.442062][ T9700] veth1: entered allmulticast mode
[ 1247.445463][ T9700] veth1: entered promiscuous mode
[ 1247.555253][ T7502] br1: port 1(veth1) entered blocking state
[ 1247.555808][ T7502] br1: port 1(veth1) entered forwarding state
[ 1262.484037][ T9799] br1: port 1(veth1) entered disabled state
[ 1262.592757][ T9800] veth1: left allmulticast mode
[ 1262.593102][ T9800] veth1: left promiscuous mode
[ 1262.593637][ T9800] br1: port 1(veth1) entered disabled state